#!/bash/bin
function s1_goto_dir(){
	cd "$1"
}
function s2_touch_empty_file_with_given_name(){
	touch "$1"
}

function s3_make_directories(){
	mkdir -p ./projects/{git,backup}
}
function s4_create_6_files(){
	touch ./projects/linux{1,2}_{centos,redhat,c_programming}
}
function s5_make_directories_in_git(){
	mkdir -p ./projects/git/linux{1,2}
}
function s6_move_files_to_dir_1_or_2(){
	mv ./projects/linux1* projects/git/linux1
	mv ./projects/linux2* projects/git/linux2
}
function s7_create_package_and_compress(){
	tar -czvf projects/backup/git.tar.gz projects/git
}
function s8_delete_dir_git(){

	rm -rf projects/git
}
function s9_recover_from_git_tar_gz_backup(){
	tar -zxvf projects/backup/git.tar.gz projects/
}
function s10_create_package_and_compress(){
	tar -jcvf projects/backup/git.tar.bz2 projects/git
}
function s11_find_and_sort_alphabetically_all_created_files_and_dirs(){
	find ./projects | sort 
}
function s12_get_next_15_minutes_boundary(){
	date -d @$(($(date +%s)/900*900+900)) "+%Y-%m-%d_%H:%M:%S"
}
#nb#nb#nb
